package controller;

import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import util.LayData;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {
    @Autowired
    private UserService userService;
    //private java.lang.Object users;

    @RequestMapping("/tolist")
    public String toList(){
        return "asyncuser/list";
    }

    @RequestMapping("/list")
    @ResponseBody
    public String list(User user, @RequestParam(value = "page", defaultValue = "1") Integer currentPage,
                       @RequestParam(value = "limit", defaultValue = "10")Integer pageSize, Model model){
        //查询数据

        int totalcount =  userService.count(user);

        //计算偏移量
        int offset = (currentPage-1)*pageSize;
        List<User> users =  userService.findAll(user,offset,pageSize);
        LayData laydata = new LayData(0,"查询成功",totalcount,users);
        //数据返回

        return JSON.toJSONString(laydata);//实际路径
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "asyncuser/add";
    }
    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(User user){
        int result = userService.addUser(user);
        if(result>0){
            return JSON.toJSONString(new LayData(200,"添加成功"));
        }else{
            return JSON.toJSONString(new LayData(500,"添加失败"));
        }

    }

    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteUser(@PathVariable("id") int id){
        int result = userService.deleteUserById(id);
        if (result > 0) {
            return JSON.toJSONString(new LayData(200, "删除成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "删除失败"));
        }
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id, Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user", user);
        return "asyncuser/update";
    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result > 0) {
            return JSON.toJSONString(new LayData(200, "更新成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "更新失败"));
        }
    }
}
